The day in digital: Is ‘time on site’ metric a silver bullet? Plus iWatch news

— Apple is planning to offer multiple versions of its long-rumored smartwatch when it is finally released in as early as October, Eva Dou and Lorraine Lukreport in the Wall Street Journal. When it comes to watches, “one design doesn’t fill all,” an analyst said.

— “The page view just won’t die,” BuzzFeed’s Myles Tanzerwrites. But “time on site as an end-all, be-all metric doesn’t really work at the moment,” says Chris Thorman, who does audience development at Vox Media. (Poynter’s Rick Edmonds has argued it’s time to ditch the page view and unique visitor metrics.)

— The NYT-WaPo-Mozilla plan to build a better commenting/community platform won’t vanquish trolls completely. “Try as we might, I don’t think we’re going to create magic,” said Greg Barber, the Post’s director of digital news projects. “What we’re going to do is try to take technology and apply it to the work we’re all doing as humans.”

— Re/code’s Kara Swisherruns down all the job shuffling at Twitter, while pointing out the funny way she gets news about the company: She saw the job titles in Twitter bios had changes, and then confirmed the changes with Twitter.

— Breaking news is broken, and Breaking News (the NBC News-owned startup) is trying to fix it with customization, including a new geolocation feature in its iOS app that knows where you are and sends you news accordingly. Breaking News general manager Cory Bergman writes about it at Medium.